LI - 4000 Fluorescence Spectrophotometer

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Product Details

Excitation LED

250nm ~ 600nm(LED), EX wavelength standard set: 365nm, 376nm, 392nm, 405nm

S⁄N ratio

S/N≥90(Using 1cm quartz sample cell, measure the signal noise ratio of Raman spectrum of water )

Detection limit

1 × 10-10 g / ml quinine sulfate solution

Linearity (γ)

≥0.995

Repetitive peak intensity

≤1.5%

Zero drift

≤0.3(within 10min)

Upper limit change of indicating value

≤1.5% (Within 10 minutes) (displaying value≥50)

Power type

220V±22V, 110V±22V

Dimensions

442×392×250 (mm)

Weight

Net weight 10kg

Emission monochromator

C-T conguration diffraction grating monochromator Emission wavelength range (EM): 200nm ~ 650nm, Bandwidth: 10nm (Extend the monochromator to Em200-900 is optional.)
Emission wavelength accuracy: ± 1nm
Emission wavelength reproducibility: ≤ 0.5nm